#ifndef _EXTERN_H_
#	define _EXTERN_H_


#	include <sys/types.h>	// int32_t, int64_t
#	include <stddef.h>
#	include <stdlib.h>	// strtol(), strtof()
#	include <string.h>
#	include <stdio.h>	// fprintf()
#	include <assert.h>	// assert()
#	include <ctype.h>	// isspace()
#	include <math.h>	// sqrtf()


#endif
